Development of mechanism-based models for resistance spot weld failure simulation of multi-material advanced high strength steel sheets 

    Dorribo Dorribo, Daniel (Date of defense: 2017-12-05)

    The automotive industry is constantly involved in the development of new projects aimed at reducing weight, fuel consumptions and costs while improving passengers¿ safety. In order to achieve these increasing demands, ...

    Diseño de un indicador de apoyo a la gestíón de firmes basado en el Ground Penetrating Radar: análisis de la forma del espectro de onda de GPR como indicador de estado de firmes asfálticos 

    Pedret Rodés, Josep (Date of defense: 2017-02-16)

    The Ground Penetrating Radar test applied to road engineering is overall used to determine the geometric characteristics of the pavement structure by analyzing the wave in the time domain. On many cases, it is often used ...

    Dissolution kinetics of C-S-H gel and durability of mortar 

    Trapote Barreira, Ana (Date of defense: 2015-01-19)

    The use of concrete in disposal facilities to store low- and intermediate-level nuclear waste requires that the durability of this material is optimal for the lifetime of these repositories. One of the most important ...

    Estudio del comportamiento de mezclas bituminosas recicladas en caliente en planta 

    Alarcón Ibarra, Jorge (Date of defense: 2003-01-23)

    El reciclado de los pavimentos asfálticos deteriorados no es una idea nueva, no obstante, con el aumento de las exigencias medioambientales y económicas se ha convertido en una alternativa cada vez más utilizada por ...

    Evaluación y análisis de sus propiedades de su durabilidad y de la aplicación de los morteros reciclados que utilizan materiales secundarios 

    Cabrera Covarrubias, Francisca Guadalupe (Date of defense: 2017-07-07)

    In recent years the increase in waste generated by various sectors has caused problems of waste management that mostly have as final destination the landfills; however, this option it is unacceptable for the economic and ...

    Failure and toughness of steel fiber reinforced concrete under tension and shear 

    Barragán, Bryan Erick (Date of defense: 2002-03-22)

    La tesis se enmarca en la caracterización, a nivel material, de la fractura del hormigón reforzado con fibras de acero (SFRC) bajo solicitaciones de tracción y cortante, y sobre la determinación de parámetros que representan ...

    Finite element simulation of additive manufacturing with enhanced accuracy 

    Moreira Filho, Carlos Augusto (Date of defense: 2022-07-21)

    This thesis develops numerical methods to improve the accuracy and computational efficiency of the part-scale simulation of Additive Manufacturing (AM) (or 3D printing) metal processes. AM is characterized by multiple ...

    Hybrid CPU/GPU implementation for the FE2 multi-scale method for composite problems 

    Giuntoli, Guido (Date of defense: 2020-01-30)

    This thesis aims to develop a High-Performance Computing implementation to solve large composite materials problems through the use of the FE2 multi-scale method. Previous works have not been able to scale the FE2 strategy ...

    Identification of material properties and phase distribution of heterogeneous materials through data-driven computational methods : towards an enhanced constitutive space 

    Valdés Alonzo, Gabriel Rolando (Date of defense: 2022-06-03)

    Identifying the constitutive relations of materials is an essential task to understand their behavior. Classical methods like testing can be effective in understanding these relationships, but introducing models can lead ...

    Multiscale subsurface characterization for geo-energy applications 

    Sciandra, Dario (Date of defense: 2024-02-09)

    (English) Geological Carbon Storage (GCS) holds immense promise for mitigating atmospheric CO2 emissions, making the sealing capacity of caprocks pivotal as storage scales up. Despite excellent sealing capacities observed ...

    Phase-field modeling of fracture in ferroelectric materials 

    Abdollahi, Amir (Date of defense: 2012-10-18)

    The unique electro-mechanical coupling properties of ferroelectrics make them ideal materials for use in micro-devices as sensors, actuators and transducers. Nevertheless, because of the intrinsic brittleness of ferroelectrics, ...

    Stress monitoring of cylindrical structures using guided waves 

    Quiroga Méndez, Jabid E. (Date of defense: 2018-06-29)

    This thesis presents some approaches for guided wave based stress monitoring as a part of Structural Health Monitoring (SHM). SHM systems include different levels, from damage detection to prognosis, however, this work is ...

    Un modelo de discontinuidades fuertes para la simulación numérica de la fractura en compresión, de piezas de hormigón armado en tres dimensiones 

    Díaz Ortíz, Guillermo Fernando (Date of defense: 2014-07-23)

    This paper presents a numerical approach for the simulation of reinforced concrete pieces in three dimensions, using embedded discontinuity elements, based on the strong discontinuity approach. In turn, this work is divided ...